Reference Probes

The Isotech 4000 Series Dry Blocks are the latest additions to the established Isotech range of Heat Sources, have many advanced features and offer a modern, practical design for both workshop or site calibration of temperature sensors.

We now have 90 degree angled probes to a maximum temperature of 660°C.

These industrial platinum resistance thermometers are ideal for field and lab use. Suitable for use as working standards in Dry Blocks and Liquid Baths or as high accuracy probes for our range of True Temperature Indicators.

  • High Accuracy, -200°C to 660°C
  • Working Standards In Dry Blocks and Liquid Baths
  • Field and Laboratory Use